File photo shows model poses with Nikon Corp's new Nikon 1 J1 camera at its unveiling ceremony in TokyoBy means of Sophie Knight and Reiji Murai TOKYO (Reuters) – Panasonic Corp and Japan's different mid-tier digital camera makers have a combat on their palms to win over a smartphone "selfie" era to mirrorless cameras that held such promise after they were launched around five years ago. Panasonic, like peers Fujifilm Holdings and Olympus Corp, has been shedding money on its cameras in view that cell phones that take high quality photographs ate into the compact camera trade.